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Support interactive issue resolution prompts

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This adds a new flag, -i / --interactive, which enables opening a
Bash prompt whenever something goes wrong in the bootstrap. This is
highly useful when developing or debugging live-bootstrap, but it
needs to be off by default, for use in automated processes.

In the future, asking for variables at runtime could (and perhaps
should) also be gated behind this flag.
This commit is contained in:
Gábor Stefanik 2024-01-01 22:37:32 +01:00
parent f9cf916e5e
commit 7851ab99cc
2 changed files with 21 additions and 7 deletions
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14
seed/script-generator.c
View file

@ -425,7 +425,17 @@ FILE *start_script(int id, int using_bash) {
if (using_bash) {
fputs("#!/bin/bash\n", out);
fputs("set -e\n", out);
if (strcmp(get_var("INTERACTIVE"), "True") == 0) {
if (using_bash != 1) {
fputs("set -E\ntrap 'env PS1=\"[TRAP] \\w # \" bash -i' ERR\n", out);
} else {
fputs("set -E\ntrap 'bash -c '\"'\"'while true; do printf \""
"[TRAP - use Ctrl+D] $(pwd) # \"; $(cat); done'\"'\"'' ERR\n",
out);
}
} else {
fputs("set -e\n", out);
}
fputs("cd /steps\n", out);
fputs(". ./bootstrap.cfg\n", out);
fputs(". ./env\n", out);
@ -537,7 +547,7 @@ void generate(Directive *directives) {
*/
generate_preseed_jump(counter);
}
using_bash = 1;
using_bash += 1;
/* Create call to new script. */
output_call_script(out, "", int2str(counter, 10, 0), using_bash, 0);
fclose(out);